diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b19228cd..20f2aa16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -196,7 +196,7 @@ jobs:
         include:
           # NOTE: macos does not have "env -C"; only with brew coreutils
           # NOTE: macos-11 does not have "readlink -f"; only on macos >= 12 or with brew coreutils
-          - { os: macos-11, gcc: gcc-10, gxx: g++-10, testsuite: true }
+          # { os: macos-11, gcc: gcc-10, gxx: g++-10, testsuite: true } # scheduled for removal from GitHub actions
           - { os: macos-12, gcc: gcc-11, gxx: g++-11, testsuite: true }
           - { os: macos-13, testsuite: true } # use default Xcode-15; NOTE: gcc-12 on macos-13 does not work with Xcode-15
           - { os: macos-13, gcc: gcc-12, gxx: g++-12, testsuite: true, xcode_version: 14.3.1 }